251019764

素因数分解:

$2^2\times {\mathrm{157}}^1\times {\mathrm{197}}^1\times {\mathrm{2029}}^1$

素因数の和:2387

約数の個数: 24

約数和(自身を含む): 444545640

約数和(自身を除く): 193525876

約数列:

[1, 2, 4, 157, 197, 314, 394, 628, 788, 2029, 4058, 8116, 30929, 61858, 123716, 318553, 399713, 637106, 799426, 1274212, 1598852, 62754941, 125509882, 251019764]

約数ペア:

[(1, 251019764), (2, 125509882), (4, 62754941), (157, 1598852), (197, 1274212), (314, 799426), (394, 637106), (628, 399713), (788, 318553), (2029, 123716), (4058, 61858), (8116, 30929)]